‘Objectionable Conditions’ in Dr. Adnan Dahdul's Clinical Trial

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FDA says a 5/6-6/20/2024 Bioresearch Monitoring Program inspection of a clinical investigation conducted by Dr. Adnan Dahdul in Springfield, MA, found “objectionable conditions” in that Dahdul violated regulations governing the proper conduct of clinical studies involving investigational products. A just-released 3/12 Warning Letter says the specific violations were:

  • failure to obtain legally effective informed consent;
  • failure to ensure the investigation was conducted according to the signed statement of the investigator and the investigational plan; and
  • failure to prepare and maintain adequate and accurate case histories with respect to observations and data pertinent to the investigation.

Dahdul was told to explain how he intends to rectify the issue of lack of oversight and proper supervision of research staff and to detail his procedure to ensure contemporaneous review and remediation of the observations affecting the accuracy and adequacy of data and information necessary to reconstruct a complete picture of the study conduct. He is also to provide all documentation of the processes for verifying the accuracy and completeness of the data.

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